If a designer gives a developer like me a file in a proprietary format that I can't read without shelling out big bucks to Adobe, that's their failure as a desi

If a designer gives a developer like me a file in a proprietary format that I can't read without shelling out big bucks to Adobe, that's their failure as a designer. If your image editor makes it so hard to export a PNG that you need an online tutorial to tell you how to do it, you should use a better image editor!